BoardOK Kids Room Plasterboard
is a kind of leightweitht, high envirometal friendsly gypsum board.use only corn starch instead of glue to past paper together.
all the raw mateirals of this kind gypsum board are 100% non-toxtic and harmless to Human Being.

TEST ITEM

TEST METHOD

TEST CONDITION

TEST RESULT

Flexural strength

ASTM C473-10Clause 11 Method B

Specimen:406*305,total:12pcs

Loading speed:5N/s

Support span:356mm

Paralle/face up/379N

Paralle/face down/480N

Across/ face up/383N

Across/face down/473N

Humidified defection

ASTM C473-10Clause 14

Specimen:610*305mm,6pcs

Testing condition:(29.5±8.5)℃(50±2)%RH

Time:48h

Support span:584mm

Average defection:2.08mm

Nail pull resistance

ASTM C473-10Clause 9 method A

Loading speed:10N/s

Nail Diameter:nail shank 2.5mm, nail head 6.3.mm

Average value:298N

End squaren

ASTM C473-10Clause 15

Specimen:1200*600mm, 1pcs

Distance out of square: 2.0mm

Thickness

ASTM C473-10Clause 16

Specimen:1200*600mm, 1pcsMeasure the thickness excluding the tapered,beveled, or recessed edges,